About block 921,554
Bitcoin block 921,554 was mined by ViaBTC on October 31, 2025 at 1:43 AM UTC, 19 min 40 s after block 921,553. That is slower than the 10-minute target; long gaps are normal, since every hash attempt is an independent draw with the same tiny chance.
It confirmed 2,837 transactions in 1.30 MB (81.4% of the 4 million weight-unit limit). The median transaction paid 2.00 sat/vB, and all fees added up to 0.0207 BTC. With the 3.125 BTC subsidy of halving era 5, ViaBTC earned 3.1457 BTC for this block.
Block 921,554 is number 243 of 2,016 in difficulty epoch 457; 1,773 blocks remain until the next difficulty adjustment at block 923,327. The next halving is at block 1,050,000, 128,446 blocks after this one.
Its hash starts with 20 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. ViaBTC found 82 blocks in the week before. Today the block has 51,972 confirmations, so it is settled beyond any practical doubt.